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This question already has an answer here:

W: The repository 'http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu yakkety Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu/dists/yakkety/main/binary-i386/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.

marked as duplicate by Pilot6, Zanna, karel, Eric Carvalho, user364819 Jul 28 '17 at 20:32

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • 2
    And what are you doing? What command did you run? What did you try to solve it? Obviously you searched Google for the error before coming here, so what did that tell you? Please edit your question and explain what you were doing and what you've tried. – terdon Jul 28 '17 at 13:32
  • apt has very bad error messages. Has not Release file could also mean you do have a typo in your address or no internet connection at all. You should check if ppa.launchpad.net/gnome-terminator/ppa/ubuntu displays the files in a browser. – CatMan Jul 28 '17 at 13:33
7
  • Open Software & Updates, Other Software tab.
  • find the PPA definition that contains "gnome-terminator"
  • select it and click Edit
  • change the Distribution field from yakkety to xenial
  • save the changes
  • update the software database when prompted
  • problem solved
  • for me it was 'bionic' and I changed to xenial, fixed the issue, but I don't understand why it doesn't have the bionic dist? – sangress Jan 20 at 15:24
  • 2
    @sangress If you look at http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu/dists/ you'll see that there's not a bionic distribution directory for this software. – heynnema Jan 20 at 15:28
  • @sangress it was the exact same for me. – marcogmonteiro Mar 9 at 19:13
-1

Simply remove the repository that give you the problem. You can use ppa purge from the terminal or use the gui.

Install ppa-purge with the command:

sudo apt install ppa-purge

After that you have installed ppa-purge give this command:

 sudo ppa-purge  http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu/dists/yakkety/main/binary-i386/Packages 

After that ppa-purge have finished and removed the repository that is giving you problem, you can update without problems.

  • ppa-purge disables a PPA and reverts to official packages. This was not an installed package. And, your ppa-purge command is incorrect anyway. – heynnema Jul 28 '17 at 19:56
-1

First u have to remove the repository of the ubuntu updates and the install ppa purge

sudo apt install ppa-purge

sudo ppa-purge  http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu/dists/yakkety/main/binary-i386/Packages

and do restart

  • 1
    ppa-purge disables a PPA and reverts to official packages. This was not an installed package. And, your ppa-purge command is incorrect anyway. – heynnema Jul 28 '17 at 19:57

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